books.google.com - How do children learn that the word "dog" refers not to all four-legged animals, and not just to Ralph, but to all members of a particular species? How do they learn the meanings of verbs like "think," adjectives like "good," and words for abstract entities such as "mortgage" and "story"? The acquisition...http://books.google.com/books/about/How_Children_Learn_the_Meanings_of_Words.html?id=YWdBM1FxAQ0C&utm_source=gb-gplus-shareHow Children Learn the Meanings of Words